| Code | Name | Region |
|---|---|---|
| AUITH | Ichthys | WA |
| AUIFF | Iffley | QLD |
| AULAW | Illawong | NSW |
| AUIDK | Indulkana | SA |
| AUIGH | Ingham | QLD |
| AUIGF | Ingle Farm | SA |
| AUIGN | Ingleburn | NSW |
| AUINJ | Injune | QLD |
| AUIKP | Inkerman | QLD |
| AUINN | Innaloo | WA |
| AUHOL | Holden Hill | SA |
| AUHLK | Holland Park | QLD |
| AUHBS | Homebush/sydney | NSW |
| AUHIH | Hook Island | QLD |
| AUHOK | Hooker Creek | NT |
| AUHPL | Hope Island | QLD |
| AUHOT | Hope Tun | WA |
| AUHPE | Hope Vale | QLD |
| AUPVE | Hope Valley | WA |
| AUHTU | Hopetoun | VIC |
| AUHCG | Hoppers Crossing | VIC |
| AUHID | Horn Island | QLD |
| AUHOY | Hornsby | NSW |
| AUHOR | Hornsdale | SA |
| AUHSM | Horsham | VIC |
| AUHPK | Horsley Park | NSW |
| AUGGS | Houghton | SA |
| AUHWO | Howlong | NSW |
| AUHGD | Hughenden | QLD |
| AUHGH | Hughesdale | VIC |
| AUHMG | Hermannsburg | NT |
| AUGGT | Herne Hill | WA |
| AUHRN | Heron Island | QLD |
| AUHVB | Hervey Bay | QLD |
| AUHEY | Heyfield | VIC |
| AUHWY | High Wycombe | WA |
| AUHIG | Highbury | QLD |
| AUHHT | Highett/melbourne | VIC |
| AUPQT | Hill Top | NSW |
| AUHLR | Hillarys | WA |
| AUHL2 | Hillbank | SA |
| AUQHC | Hillcrest | QLD |
| AUHSD | Hillside | VIC |
| AUHLL | Hillside | WA |
| AUHTO | Hilton | SA |
| AUHNK | Hinchinbrook Island | QLD |
| AUHMS | Hindmarsh | SA |
| AUHMC | Hmas Cerberus | VIC |
| AUHBA | Hobart | TAS |
| AUHDD | Hoddles Creek | VIC |